package com.foxinmy.weixin4j.qy.token;

import com.alibaba.fastjson.JSONObject;
import com.foxinmy.weixin4j.exception.WeixinException;
import com.foxinmy.weixin4j.http.weixin.WeixinResponse;
import com.foxinmy.weixin4j.model.Token;
import com.foxinmy.weixin4j.qy.type.URLConsts;
import com.foxinmy.weixin4j.token.TokenCreator;

/**
 * 微信企业号应用提供商凭证创建
 *
 * @className WeixinProviderTokenCreator
 * @author jinyu(foxinmy@gmail.com)
 * @date 2015年1月10日
 * @since JDK 1.6
 * @see <a href=
 *      "http://qydev.weixin.qq.com/wiki/index.php?title=%E8%8E%B7%E5%8F%96%E5%BA%94%E7%94%A8%E6%8F%90%E4%BE%9B%E5%95%86%E5%87%AD%E8%AF%81">
 *      获取应用提供商凭证</a>
 * @see com.foxinmy.weixin4j.model.Token
 */
public class WeixinProviderTokenCreator extends TokenCreator {

    private final String corpid;
    private final String providersecret;

    /**
     *
     * @param corpid
     *            企业号ID
     * @param providersecret
     *            企业号提供商的secret
     */
    public WeixinProviderTokenCreator(String corpid, String providersecret) {
        this.corpid = corpid;
        this.providersecret = providersecret;
    }

    @Override
    public String name() {
        return "qy_provider_token";
    }

    @Override
    public String uniqueid() {
        return corpid;
    }

    @Override
    public Token create() throws WeixinException {
        JSONObject obj = new JSONObject();
        obj.put("corpid", corpid);
        obj.put("provider_secret", providersecret);
        WeixinResponse response = weixinExecutor.post(URLConsts.PROVIDER_TOKEN_URL, obj.toJSONString());
        obj = response.getAsJson();
        return new Token(obj.getString("provider_access_token"), obj.getLongValue("expires_in") * 1000l);
    }
}
